Rational and Irrational Numbers (Grade 8)

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Rational and Irrational Numbers

1. 
All real numbers are rational.
  1. True
  2. False
 
2. 
All rational numbers can be expressed as terminating decimals.
  1. True
  2. False
3. 
All rational numbers are real.
  1. True
  2. False
 
4. 
All non-terminating decimals are irrational numbers.
  1. True
  2. False
5. 
[math]pi[/math] is a rational number.
  1. True
  2. False
 
6. 
Irrational numbers include natural numbers, whole numbers, and integers.
  1. True
  2. False
7. 
Identify the set of numbers that best describes the situation.

the cost of an item at a store
  1. rational numbers
  2. whole numbers
  3. integers
  4. irrational numbers
 
8. 
Which of the following best describes [math]- sqrt3[/math]?
  1. whole and irrational
  2. whole and rational
  3. real and irrational
  4. real and rational
9. 
[math]{-5, -0.3, 0, 2, 3/4, pi, 10}[/math][math][/math]

List all the numbers that are irrational.



 
10. 
[math]{-sqrt5, 0, -0.001, 1/3, pi, -7}[/math][math][/math]

List all the numbers that are rational.



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